UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZmFOoqRaC/GcdCFk8cZe5rNVr+B/XhoJYGsx1n/ZuDQ=' 
WHERE 
  key_id = 'f518bf91eb4939631fa94c7dc1d15056eee90348414984d7071240a5fc8b1499' 
  AND (
    token = 'ZmFOoqRaC/GcdCFk8cZe5rNVr+B/XhoJYGsx1n/ZuDQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )